# Study sets matching "physics ii exam 1"

Study sets

Diagrams

Classes

Users

Conductors

Insulators

Semiconductors

Coulumb's Law

Iron, metals... e- bound loosely to nucleus, free to move

Wood, rubber... e- bound tightly to nucleus

Silicon, germanium

F = kq1q2/r^2

Conductors

Iron, metals... e- bound loosely to nucleus, free to move

Insulators

Wood, rubber... e- bound tightly to nucleus

oscillate

How do you define a wave?

restoring force

Potential energy

Move back and forth between two points.

It is a disturbance that moves from a source and carries energ…

The deformation of the ruler creates a force in the opposite d…

potential energy due to a spring is given by the equation:... 𝑃𝐸𝑠…

oscillate

Move back and forth between two points.

How do you define a wave?

It is a disturbance that moves from a source and carries energ…

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explains the behavior of light within a…

3 types of models of light

study of light as a wave

spreading of a wave

models of light

wave model ... ray model... photon model

wave optics

diffraction

explains the behavior of light within a…

models of light

3 types of models of light

wave model ... ray model... photon model

Zeroeth law of thermodynamics

Conversion equation from Celsius to Far…

Convert degrees C to Kelvin

Thermal Expansion equation (length)

-if A & B are in thermal equilibrium, and so are B & C, then A…

Tc = (5/9)*(Tf-32)

Tc + 273.15

change in length is = to alpha (a coefficient for different ma…

Zeroeth law of thermodynamics

-if A & B are in thermal equilibrium, and so are B & C, then A…

Conversion equation from Celsius to Far…

Tc = (5/9)*(Tf-32)

Pulse Echo Diagram

Beam former

Beam former source of power

Synonyms for Beam former

Beam former ==> transducer ==> (Body back to transducer back t…

Responsible for energy that is produced and flows thorough out…

Electricity that flows into the machine on dedicated line

Transmitter... Transmit power... Pulser... Output ... Acoustic energy... Ener…

Pulse Echo Diagram

Beam former ==> transducer ==> (Body back to transducer back t…

Beam former

Responsible for energy that is produced and flows thorough out…

what happens when you rub electrically…

conductor

insulators

semiconductors

causes electric charge to separate... electric charge can neithe…

material through which electrons are free to move through the…

material in which electrons are not free to move -- electrons…

insulators at regular temps... conductors at high temps

what happens when you rub electrically…

causes electric charge to separate... electric charge can neithe…

conductor

material through which electrons are free to move through the…

Conductors

Insulators

Semiconductors

Coulumb's Law

Iron, metals... e- bound loosely to nucleus, free to move

Wood, rubber... e- bound tightly to nucleus

Silicon, germanium

F = kq1q2/r^2

Conductors

Iron, metals... e- bound loosely to nucleus, free to move

Insulators

Wood, rubber... e- bound tightly to nucleus

science

physics

chemical elements

atom

observing and understanding of the natural world based on evid…

the study of phenomena that are universal

roughly 100 substances that cannot be chemically decomposed -…

the smallest particle of a chemical element (like one circle o…

science

observing and understanding of the natural world based on evid…

physics

the study of phenomena that are universal

The kilogram (kg) is the SI unit for __…

The meter (m) is SI unit for __________…

The second (s) is the SI unit for _____…

The newton (N) is the SI unit for _____…

mass

length or distance

time

weight or force

The kilogram (kg) is the SI unit for __…

mass

The meter (m) is SI unit for __________…

length or distance

SI

meter

kilogram

10^-18

standard system of fundamental quantities

distance traveled by light in vacuum during interval of 1/299,…

SI mass unit, mass of specific platinum-iridium alloy cylinder

alto (a)

SI

standard system of fundamental quantities

meter

distance traveled by light in vacuum during interval of 1/299,…

pulse duration

pulse period

pulse repetition frequency

dB

the length of time the US pulse is on. Determines the axial re…

the time from one US pulse to the next

the number of US pulse per second sent into the tissue. High P…

method of expressing ratios of quantities. Represents the powe…

pulse duration

the length of time the US pulse is on. Determines the axial re…

pulse period

the time from one US pulse to the next

Lines that locate the peaks of sinusoid…

the distance between peaks is called th…

when the path difference is an interger…

an extra half wavelength makes interfer…

wavefronts

wave lengths

constructive (at points)

destructive

Lines that locate the peaks of sinusoid…

wavefronts

the distance between peaks is called th…

wave lengths

large, high

2

continuous

sample size

advantage of continuous wave US = _ sample size and _ sensitiv…

continuous wave transducers use _ crystals (elements)

_ wave ultrasound uses two elements: receiving and transmittin…

(continuous wave US) where the talking and listening intersects

large, high

advantage of continuous wave US = _ sample size and _ sensitiv…

2

continuous wave transducers use _ crystals (elements)

Change of an object's position or orien…

The path along which an object moves.

Symbol that represents a position along…

Change of position. The difference betw…

Motion

Trajectory

Coordinate

Displacement

Change of an object's position or orien…

Motion

The path along which an object moves.

Trajectory

pulse duration

pulse period

pulse repetition frequency

dB

the length of time the US pulse is on. Determines the axial re…

the time from one US pulse to the next

the number of US pulse per second sent into the tissue. High P…

method of expressing ratios of quantities. Represents the powe…

pulse duration

the length of time the US pulse is on. Determines the axial re…

pulse period

the time from one US pulse to the next

The horns of the crescent moon always p…

Vega is in the constellation

The Zodiac is

You are on a strange planet. You note t…

away from the sun

Lyra

the constellations through which the Sun appears to travel in…

26,000 miles

The horns of the crescent moon always p…

away from the sun

Vega is in the constellation

Lyra

Flux is negative through a surface when…

Flux is positive through a surface when…

Flux through a perpendicular surface is…

Flux through a slanted surface is...

It enters the closed object.

It exits the closed object.

Area of the surface times the charge.

Area of the surface X charge X cosine of the angle of our surf…

Flux is negative through a surface when…

It enters the closed object.

Flux is positive through a surface when…

It exits the closed object.

science

measurements

Aristarchus

fundamental units

-body of knowledge... -an ongoing human activity... -has beginnings…

relate to how much you know about something

distance and size of the moon

standard measurement

science

-body of knowledge... -an ongoing human activity... -has beginnings…

measurements

relate to how much you know about something

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Define Natural Science

Define Physics

Scientific laws

100 cm= _m

systematic study of the universe

branch of science that deals with matter and energy

proven to be true, rules (orderly process)

1 m

Define Natural Science

systematic study of the universe

Define Physics

branch of science that deals with matter and energy

If three uncharged styrofoam balls are…

A plastic rod is rubbed with a fur. Dur…

A positively charged rod is brought clo…

Which of the following statements are t…

-7C

The fur acquires a positive charge.

The end of the metal rod closest to the positively charged rod…

Electric field lines can never intersect. ... At every point in…

If three uncharged styrofoam balls are…

-7C

A plastic rod is rubbed with a fur. Dur…

The fur acquires a positive charge.

Rule 1

Rule 2: Zeros has three types

Rules for addition and subtraction with…

Rules for multiplication and division w…

All non-zero integers are significant.

Leading Zeros are zeros that precede all of the nonzero intege…

The final answer must have no more decimal places than the mea…

The final answer must have no more sig figs than the measureme…

Rule 1

All non-zero integers are significant.

Rule 2: Zeros has three types

Leading Zeros are zeros that precede all of the nonzero intege…